2⁵ × 21521

Prime Factor Structure

Factorization String 2^5 × 21521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,355,886

Proper Divisor Sum 667,214

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #688669 ← → #688679

1 2 4 8 16 32 21,521 43,042 86,084 172,168 344,336 688,672

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

688,672 344,336 172,168 86,084 43,042 21,521 64,564 32,282 16,141 48,424 24,212 12,106 6,053 18,160 9,080 4,540 2,270 1,135 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.